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RAYDEOH

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RF Attenuator Designer

Design passive T-pad or Pi-pad attenuators for impedance matching or signal pads.

Attenuation (dB)

Impedance Z₀ (Ω)

In ---[ R1 ]---+---[ R1 ]--- Out
               |
             [ R2 ]
               |
              GND

Series Resistors (R1 each):

Shunt Resistor (R2):

In ------+------[ R3 ]------+------ Out
         |                  |
       [ R4 ]             [ R4 ]
         |                  |
        GND                GND

Series Resistor (R3):

Shunt Resistors (R4 each):

Use standard E24 (5%) or E96 (1%) resistor values for practical construction.